package com.yuan.web.service;

import com.yuan.common.core.domain.entity.SysUser;
import com.yuan.common.core.domain.model.LoginUser;
import com.yuan.common.enums.UserStatus;
import com.yuan.common.exception.ServiceException;
import com.yuan.common.utils.MessageUtils;
import com.yuan.common.utils.StringUtils;
import com.yuan.service.ISysUserService;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.security.core.userdetails.UserDetails;
import org.springframework.security.core.userdetails.UserDetailsService;
import org.springframework.security.core.userdetails.UsernameNotFoundException;
import org.springframework.stereotype.Service;

/**
 * 用户验证处理
 */
@Service
public class UserDetailsServiceImpl implements UserDetailsService {
    private static final Logger log = LoggerFactory.getLogger(UserDetailsServiceImpl.class);
    @Autowired
    private ISysUserService userService;
    public UserDetails loadUserByUsername(String username) throws UsernameNotFoundException {
        //此处根据用户名查数据库做校验
        SysUser user = userService.selectUserByUserName(username);
        if (StringUtils.isNull(user)) {
            log.info("登录用户：{} 不存在.", username);
            throw new ServiceException(MessageUtils.message("user.not.exists"));
        } else if (UserStatus.DELETED.getCode().equals(user.getDelFlag())) {
            log.info("登录用户：{} 已被删除.", username);
            throw new ServiceException(MessageUtils.message("user.password.delete"));
        } else if (UserStatus.DISABLE.getCode().equals(user.getStatus())) {
            log.info("登录用户：{} 已被停用.", username);
            throw new ServiceException(MessageUtils.message("user.blocked"));
        }
        //查询完，创建一个登录用户对象，把查询的用户传入
        return createLoginUser();
    }

    public UserDetails createLoginUser() {
        System.out.println("创建登陆对象");
        return new LoginUser();
    }
}
